/* ** $Id$ ** ** libraries/diskfonttag.h -- tag definitions for .otag files ** ** (C) Copyright 1990 Robert R. Burns ** All Rights Reserved */ /* Level 0 entries never appear in the .otag tag list, but appear in font * specifications */ #define OT_Level0 TAG_USER /* Level 1 entries are required to exist in the .otag tag list */ #define OT_Level1 (TAG_USER | 0x1000) /* Level 2 entries are optional typeface metric tags */ #define OT_Level2 (TAG_USER | 0x2000) /* Level 3 entries are required for some OT_Engines */ #define OT_Level3 (TAG_USER | 0x3000) /* Indirect entries are at (tag address + data offset) */ #define OT_Indirect 0x8000 /********************************************************************/ /* font specification tags */ /* OT_DeviceDPI specifies the target device dots per inch -- X DPI is * in the high word, Y DPI in the low word. */ #define OT_DeviceDPI (OT_Level0 | 0x01) /* == TA_DeviceDPI */ /* OT_DotSize specifies the target device dot size as a percent of * it's resolution-implied size -- X percent in high word, Y percent * in low word. */ #define OT_DotSize (OT_Level0 | 0x02) /* OT_PointSize specifies the requested point height of a typeface * The point referred to here is 1/72". It is encoded here as * (points * 16) */ #define OT_PointSize (OT_Level0 | 0x10) /********************************************************************/ /* .otag tags */ /* suffix for files in FONTS: that contain these tags */ #define OTSUFFIX ".otag" /* OT_FileIdent both identifies this file and verifies its size. * It is required to be the first tag in the file. */ #define OT_FileIdent (OT_Level1 | 0x01) /* OT_Engine specifies the font engine this file is designed to use */ #define OT_Engine (OT_Level1 | OT_Indirect | 0x02) #define OTE_Bullet "bullet" /* OT_Family is the family name of this typeface */ #define OT_Family (OT_Level1 | OT_Indirect | 0x03) /* The name of this typeface is implicit in the name of the .otag file */ /* OT_BName is used to find the bold variant of this typeface */ #define OT_BName (OT_Level2 | OT_Indirect | 0x05) /* OT_IName is used to find the italic variant of this typeface */ #define OT_IName (OT_Level2 | OT_Indirect | 0x06) /* OT_BIName is used to find the bold italic variant of this typeface */ #define OT_BIName (OT_Level2 | OT_Indirect | 0x07) /* OT_SymSet is used to select the symbol set that has the OT_YSizeFactor * described here. Other symbol sets might have different extremes */ #define OT_SymbolSet (OT_Level1 | 0x10) /* OT_YSizeFactor is a ratio to assist in calculating the Point height * to BlackHeight relationship -- high word: Point height term, low * word: Black height term -- pointSize = ysize*/ */ #define OT_YSizeFactor (OT_Level1 | 0x11) /* OT_SpaceWidth specifies the width of the space character relative * to the character height */ #define OT_SpaceWidth (OT_Level2 | 0x12) /* OT_IsFixed is a boolean indicating that all the characters in the * typeface are intended to have the same character advance */ #define OT_IsFixed (OT_Level2 | 0x13) /* OT_SerifFlag is a boolean indicating if the character has serifs */ #define OT_SerifFlag (OT_Level1 | 0x14) /* OT_StemWeight is an unsigned byte indicating the weight of the character */ #define OT_StemWeight (OT_Level1 | 0x15) #define OTS_UltraThin 8 /* 0- 15 */ #define OTS_ExtraThin 24 /* 16- 31 */ #define OTS_Thin 40 /* 32- 47 */ #define OTS_ExtraLight 56 /* 48- 63 */ #define OTS_Light 72 /* 64- 79 */ #define OTS_DemiLight 88 /* 80- 95 */ #define OTS_SemiLight 104 /* 96-111 */ #define OTS_Book 120 /* 112-127 */ #define OTS_Medium 136 /* 128-143 */ #define OTS_SemiBold 152 /* 144-159 */ #define OTS_DemiBold 168 /* 160-175 */ #define OTS_Bold 184 /* 176-191 */ #define OTS_ExtraBold 200 /* 192-207 */ #define OTS_Black 216 /* 208-223 */ #define OTS_ExtraBlack 232 /* 224-239 */ #define OTS_UltraBlack 248 /* 240-255 */ /* OT_SlantStyle is an unsigned byte indicating the font posture */ #define OT_SlantStyle (OT_Level1 | 0x16) #define OTS_Upright 0 #define OTS_Italic 1 /* Oblique, Slanted, etc. */ #define OTS_LeftItalic 2 /* Reverse Slant */ /* OT_HorizStyle is an unsigned byte indicating the appearance width */ #define OT_HorizStyle (OT_Level1 | 0x17) #define OTH_UltraCompressed 16 /* 0- 31 */ #define OTH_ExtraCompressed 48 /* 32- 63 */ #define OTH_Compressed 80 /* 64- 95 */ #define OTH_Condensed 112 /* 96-127 */ #define OTH_Normal 144 /* 128-159 */ #define OTH_SemiExpanded 176 /* 160-191 */ #define OTH_Expanded 208 /* 192-223 */ #define OTH_ExtraExpanded 240 /* 224-255 */ /* OT_AvailSizes is an indirect pointer to sorted UWORDs, 0th is count */ #define OT_AvailSizes (OT_Level1 | OT_Indirect | 0x20) #define OT_MAXAVAILSIZES 20 /* no more than 20 sizes allowed */ /* OT_SpecCount is the count number of parameters specified here */ #define OT_SpecCount (OT_Level1 | 0x100) /* Specs can be created as appropriate for the engine by ORing in the * parameter number (1 is first, 2 is second, ... up to 15th) */ #define OT_Spec (OT_Level1 | 0x100) /* OT_Spec1 is the (first) parameter to the font engine to select * this particular typeface */ #define OT_Spec1 (OT_Level1 | 0x101)